SEATTLE -- U.S. researchers gave the first shot to the first person in a test of an experimental coronavirus vaccine Monday -- leading off a worldwide hunt for protection even as the pandemic surges.

The Food and Drug Administration has given approval to a second U.S. company to begin a small safety test of a vaccine against the new coronavirus. Inovio Pharmaceuticals says it has FDA permission ...

A model of a new vaccine targeting a family of coronaviruses that includes the virus that causes COVID-19. The image highlights pieces of several different viruses attached to a computer-designed ...

LOS ANGELES -- U.S. regulators issued new guidance this week shortening the time that people who received Moderna or Pfizer's COVID-19 vaccine have to wait for a booster, and it's different than the ...